forever
//fəˈrɛvər//
Adverb
1
for all time; eternally; without end
I will love you forever.
2
for a very long time; continually or persistently
It's taking forever to download this file.
3
at all times; constantly
She is forever complaining about something.
Antonym
Noun
1
an endless or seemingly endless period of time
It seemed like forever before the bus finally arrived.